Fairview is a borough in Butler County, Pennsylvania, United States. The population was 220 at the 2000 census. It should not be confused with Fairview, Erie County, Pennsylvania which carries the ZIP code 16415.
Fairview is located at 41°0′55″N 79°44′36″W / 41.01528°N 79.74333°W / 41.01528; -79.74333 (41.015289, -79.743303).
According to the United States Census Bureau, the borough has a total area of 0.1 square miles (0.4 km²), all of it land.